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ziro4ka [17]
3 years ago
14

Gavin and Jim share some money in a ratio of 1:3 gavin gets £15 how much did Jim get

Mathematics
1 answer:
lozanna [386]3 years ago
8 0

Answer:

$45   (corrected answer)

Step-by-step explanation:

Given

Gavin : Jim   = 1 : 3

fraction that Gavin gets = 1 / (1+3) = 1/4

fraction that Jim gets = 3 / (1+3) = 3/4

given that Gavin gets $15,

Gavin's share = (1/4) ----> equivalent to $15

Jim's share = (3/4) ----> equivalent to $15 x 3 = $45

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8x10x32divided by 19 +1000000000x329568453=
lora16 [44]

Answer:

3.29568453×10^17

Step-by-step explanation:

5 0
2 years ago
Easiest way to calculate 22% mark up from a cost of say 39.99
satela [25.4K]

Answer:

The markup amount on the cost 39.99 $ will be: 8.78 $

Step-by-step explanation:

Given

  • The cost = 39.99 (Let say in $)
  • Mark up = 22%

As

22% = 0.22

The markup of 22% on the cost can be calculated by multiplying the cost by 22% or 0.22

so

Markup amount = 0.22 × 39.99

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Therefore, the markup amount on the cost 39.99 $ will be: 8.78 $

6 0
2 years ago
In a recipe for cookies the ratio of flour to sugar is 3:1 what ratios are equivalent
anyanavicka [17]

Answer:

the ratio is 3 cups of flour to 1 cup of sugar or a 3:1 ratio

Step-by-step explanation:


4 0
3 years ago
Which function is the inverse of ?<br> f(x)=50,000(0.8)^x
IrinaK [193]
Answer:

<span>y=<span><span><span>log<span>(x)</span></span>−<span>log<span>(50000)</span></span></span><span>log<span>(0.8)</span></span></span></span>

Explanation:

write as : <span>y=50000<span><span>(0.8)</span>x</span></span>

Taking logs:

<span><span>log<span>(y)</span></span>=<span>log<span>(50000)</span></span>+<span>log<span>(.<span><span>(0.8)</span>x</span>.)</span></span></span>

But <span>log<span>(.<span><span>(0.8)</span>x</span>.)</span></span> is the same as <span>x<span>log<span>(0.8)</span></span></span>

Thus
<span>x=<span><span><span>log<span>(y)</span></span>−<span>log<span>(50000)</span></span></span><span>log<span>(0.8<span>)

</span></span></span></span></span>Now swap the x'x and the y's giving:<span><span><span><span><span>
</span></span></span></span></span>

<span>y=<span><span><span>log<span>(x)</span></span>−<span>log<span>(50000)</span></span></span><span>log<span>(0.8<span>)

my teacher helped a little bit


</span></span></span></span></span>

4 0
3 years ago
The midpoint of line XZ is (2,-5). One endpoint is X(12,-5). Find the coordinates of the other endpoint Z
Inga [223]

Answer: (-8,-5)

Step-by-step explanation:

6 0
2 years ago
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